400w 4K Metal Halide Lamp (Base Up Burn).Manufacturer's Code: 644500
Base up operation only. Clear glass envelope. Glass jacket design may vary from thumbnail picture.
The High Intensity Discharge metal halide grow lamps originally were and still are used for street and warehouse lighting. They have been selected for use in horticulture applications because of the light spectrum they emit. They are limited to the 4k... — Ships from Portland, Oregon USA....more info.

HL11S

$40.57

MS 1000 - Base UP Halide (High Output) BulbMSRP: $94.95Metal Halide Grow lights have good spectral distribution. MH Grow Lights emit the bluish and green regions of the light spectrum. Metal Halide Grow Systems stimulate plant growth more efficiently than any other grow light source. It is best to use Metal Halide Lamps in addition to or cycled with with HPS grow lights.Max. Wattage:1000
Base Type:... — Ships from Seattle, Washington USA....more info.

400w 4K Metal Halide Lamp (Base Up Burn).400 watt VENTURE 4K high output lamp. Base up operation only. Glass envelope clear. Glass jacket design may vary from thumbnail picture. Rated best of all standard Metal Halide Lamps. Manufacturer's Code: 47432 The High Intensity Discharge metal halide grow lamps from Venture originally were and still are used for street and warehouse lighting. They have been selected for use in ho... — Ships from Portland, Oregon USA....more info.

Eye Hortilux e-Start MH 1000B/U/BT37/HTL/ES (12/Cs)Eye Hortilux e-Start Metal Halide Lamps
Hortilux e-Start Metal Halide is a new family of lamps designed for use on electronic/digital ballasts. The starting and operating characteristics of electronic/digital ballasts are different than traditional magnetic core & coil ballasts. These differences allow us to optimize lamp performance over life to improve results in your indo... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.